Pipe and Excavation Contracting
Latest Exam And 100% Correct
Answers 2025-2026 Updated.
A method of projecting a straight line for precise centerline transfer when using a laser is to use
_____?
A Parallax
B. Crossing coordinates
C. Preset hubs
D. Offset hubs - Answer D. Offset Hubs
122
The first priority for underground excavation in any developed area is?
A. Notify all owners
B. Notify Sunshine
C. Locate existing ground utilities
D. Site preparation and material layout - Answer C. Locate existing ground utilities
137
When excavating asphalt always allow a swell factor of _____ ?
A. 1.7
B. 1.5
C. 1.0
D. 0.5 - Answer A. 1.7
138
,B. A deep angle of depression
C. A cone of depression
D. Cave in - Answer B. A deep angle of depression
196
When calculating the force of a ram, multiply the area of the piston by the pressure of the
_____ ?
A. Sheep
B. Oil
C. Hydraulic force exertion
D. Resistance - Answer B. Oil
143
A backhoe is best when working within what percent of its maximum digging depth?
A. 50
B. 60
C. 70
D. 80 - Answer C. 70
150
A. A slope of 0.38% equals how many inches of slope in 250 feet?
A. 11.4
B. 95.0
C. 7.9
D. 0.9 - Answer A. 250 x 0.38% x 12 = 11.4
,A. 2
B. 4
C. 6
D. 8 - Answer B. 4
219
A common test used to determine if a pipe has flattened or deflected under backfill and
compaction is the _____ test.
A. Mandrake
B. Pull
C. Compression
D. Mandrel - Answer D. Mandrel
248
The _____ test is not an acceptable method for testing sewer piping.
A. Lamp
B. Water
C. Sniff
D. Air - Answer C. Sniff
248/249
Testing by isolation portions of the line and filling the manholes with water is know as _____?
A. Mandrel
B. Exfiltration
, The invert elevation of a 400-foot pipe with a fall of .002 and station elevation of 92.6 is?
A. 399.2
B. 400.8
C. 93.4
D. 91.8 - Answer D. 400 x .002 = .8
92.6 - .8 = 91.8
120
A six-foot wide sheep foot roller, .75 operator skill, .83 efficiency, 12 in fill layers compacted to 8
inch layers requiring eight passes of the roller at the speed of 2.5 miles per hour. Using only the
given information, according to the Pipe and Excavating Contracting, the maximum number of
cubic yards is ______?
A. Less than 155
B. Between 155 and 160
C. Between 160 and 165
D. More than 165 - Answer A. 6 x 2.5 x 8 x 16. x 83% x 0.75 = 152.2
192/193
A small stake driven into the ground to identify a reference point is known as a ______?
A. Stake
B. Hub
C. Reference grade
D. Marker - Answer B. Hub
113
Latest Exam And 100% Correct
Answers 2025-2026 Updated.
A method of projecting a straight line for precise centerline transfer when using a laser is to use
_____?
A Parallax
B. Crossing coordinates
C. Preset hubs
D. Offset hubs - Answer D. Offset Hubs
122
The first priority for underground excavation in any developed area is?
A. Notify all owners
B. Notify Sunshine
C. Locate existing ground utilities
D. Site preparation and material layout - Answer C. Locate existing ground utilities
137
When excavating asphalt always allow a swell factor of _____ ?
A. 1.7
B. 1.5
C. 1.0
D. 0.5 - Answer A. 1.7
138
,B. A deep angle of depression
C. A cone of depression
D. Cave in - Answer B. A deep angle of depression
196
When calculating the force of a ram, multiply the area of the piston by the pressure of the
_____ ?
A. Sheep
B. Oil
C. Hydraulic force exertion
D. Resistance - Answer B. Oil
143
A backhoe is best when working within what percent of its maximum digging depth?
A. 50
B. 60
C. 70
D. 80 - Answer C. 70
150
A. A slope of 0.38% equals how many inches of slope in 250 feet?
A. 11.4
B. 95.0
C. 7.9
D. 0.9 - Answer A. 250 x 0.38% x 12 = 11.4
,A. 2
B. 4
C. 6
D. 8 - Answer B. 4
219
A common test used to determine if a pipe has flattened or deflected under backfill and
compaction is the _____ test.
A. Mandrake
B. Pull
C. Compression
D. Mandrel - Answer D. Mandrel
248
The _____ test is not an acceptable method for testing sewer piping.
A. Lamp
B. Water
C. Sniff
D. Air - Answer C. Sniff
248/249
Testing by isolation portions of the line and filling the manholes with water is know as _____?
A. Mandrel
B. Exfiltration
, The invert elevation of a 400-foot pipe with a fall of .002 and station elevation of 92.6 is?
A. 399.2
B. 400.8
C. 93.4
D. 91.8 - Answer D. 400 x .002 = .8
92.6 - .8 = 91.8
120
A six-foot wide sheep foot roller, .75 operator skill, .83 efficiency, 12 in fill layers compacted to 8
inch layers requiring eight passes of the roller at the speed of 2.5 miles per hour. Using only the
given information, according to the Pipe and Excavating Contracting, the maximum number of
cubic yards is ______?
A. Less than 155
B. Between 155 and 160
C. Between 160 and 165
D. More than 165 - Answer A. 6 x 2.5 x 8 x 16. x 83% x 0.75 = 152.2
192/193
A small stake driven into the ground to identify a reference point is known as a ______?
A. Stake
B. Hub
C. Reference grade
D. Marker - Answer B. Hub
113
